Confirm output, Relay control, Figure 14 confirm output relay control – Bird Technologies 3171B020 User Manual
Page 45: Led indicator, Figure 15 confirm output led indicator, Relay control led indicator
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Confirm Output
For visual confirmation of transmitter “ON” see circuit below.
Relay Control
Relay control for greater current requirements. Connect the external relay coil, noting the polarity to terminal 5 for
+5V output and to terminal 9. Confirm output.
Figure 14 Confirm Output Relay Control
LED Indicator
Simple local or remote light emitting diode indicator, that requires no more than 1.5A. Resistors value may vary based on
current requirements of chosen LED.
Figure 15 Confirm Output LED Indicator
270
Ohm
L.E.D.